File:Massive galaxy merger caught in the act (8780546163).jpg

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Several telescopes have teamed up to discover a rare and massive merging of two galaxies that took place when the Universe was just 3 billion years old.

ESA’s Herschel space observatory first spotted the colliding duo, collectively called HXMM01, in images taken with longer-wavelength infrared light, as shown in this image. HXMM01 is the bright spot in the very centre of the image. Follow-up observations from many telescopes helped determine the extreme degree of star-formation taking place in the merger, as well as its incredible mass – each galaxy boasts a stellar mass equal to about 100 billion Suns and an equivalent amount of gas.


Credits: ESA/NASA/JPL-Caltech/UC Irvine/STScI/Keck/NRAO/SAO
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Source Massive galaxy merger caught in the act
Author UCL Mathematical & Physical Sciences from London, UK

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This image was originally posted to Flickr by UCL Mathematical & Physical Sciences at https://flickr.com/photos/93636241@N07/8780546163. It was reviewed on 5 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

5 December 2020

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current11:05, 5 December 2020Thumbnail for version as of 11:05, 5 December 20201,500 × 1,500 (296 KB)Eyes Roger (talk | contribs)Transferred from Flickr via #flickr2commons

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